========== check_selftest - FAILED New files: tools/testing/selftests/drivers/net/hw/loopback_nsim.py Modified files: format check ignoring tools/testing/selftests/drivers/net/hw/loopback_nsim.py git grep loopback_nsim.py -- tools/testing/selftests/drivers/net/hw/Makefile:: 1 gitignore check ignoring tools/testing/selftests/drivers/net/hw/loopback_nsim.py